HP 246 Not Power on With Adapter

[gps31]

HP 246 (6050a2493101-mb-a02) is not power on while connected with Adapter.

But working with Battery.


Pls advice where to start


Thx in advance

[ktmmotocross]

Re: HP 246 Not Power on With Adapter

measure pins on charging ic

[gps31]

Re: HP 246 Not Power on With Adapter

Bq24728 without battery

pin1(ACN)=0.9v
pin2(ACP)=0.9
pin3(CMSRC)=0.9
pin4(ACDRV)=0.8
pin5(ACPRES)=3.3
pin6(ACDET)=2.6
pin7(IOUT)=0.0
pin8(SDA)=3.3
pin9(SDL)=3.3
pin10(ILIM)=0.1
pin11(BATDRV)=1.1
pin12(SRN)=1.1
pin13(SRP)=1.1
pin14(GRND)=0v
pin15(LODRV)=0
pin16(REGN)=6.1
pin17(BTST)=5.9
pin18(HIDRV)=1.1
pin19(PHASE)=1.1
pin20(VCC)=19.5

With Charged battery it is working well. I can't take reading while battery inserted since BQ24728 is under the battery.


when adapter inserted battery charging indication is Orange LED.

pls advice

[aanan]

Re: HP 246 Not Power on With Adapter

measure voltage q6011.

[aanan]

Re: HP 246 Not Power on With Adapter

measure voltages q6011.

[gps31]

Re: HP 246 Not Power on With Adapter

All Readings Only With Adapter

[B]Q6011[/B]

Pin 1 to 3 : 0.9
Pin 4    : 0.9
Pin 5 to 8 : 0.9

[B]Q6010[/B]

Pin 1 to 3 : 0.9
Pin 4    : 0.9
Pin 5 to 8 : 20.3

[B]Q6012 [/B]

Pin 1 to 3 : 1.1
Pin 4    : 1.1
Pin 5 to 8 : 0.9

and one more thing C6031 & C6032 caps missing

C6031 Reading

Pin 1 : 20.3v
Pin 2 : 0.9

[HarryPK]

Re: HP 246 Not Power on With Adapter

try to change q6010. or measure q6012,q6011 with battre without charger

[gps31]

Re: HP 246 Not Power on With Adapter

measurement q6012,q6011 with battre without charger

[B]Q6011[/B]
All Pins : 12.1

[B]Q6012[/B]
Pin 1 to 3 : 12.1
Pin 4    : 18.3
Pin 5 to 8 : 12.1

is C6031 Essential ?

[HarryPK]

Re: HP 246 Not Power on With Adapter

check pr6017 with battre inserted no charger

[gps31]

Re: HP 246 Not Power on With Adapter

There is no component mounted in R6017

R6017 Reading only With battery

Pin 1 : 12.1v
Pin 2 : 12.1v

[aanan]

Re: HP 246 Not Power on With Adapter

change first q6010 second u6000.

[HarryPK]

Re: HP 246 Not Power on With Adapter

change q010 then

[gps31]

Re: HP 246 Not Power on With Adapter

is C6031 Essential or not ?